ICD-10-CM > C00-D49 > C73-C75 > C74 > C74.9 C74.9 Malignant neoplasm of unspecified part of adrenal gland Non-Billable/Non-Specific Codes C74.90Malignant neoplasm of unspecified part of unspecified adrenal glandC74.91Malignant neoplasm of unspecified part of right adrenal glandC74.92Malignant neoplasm of unspecified part of left adrenal gland